@article{MM3_2006_10_1_a0,
     author = {Peter Danchev},
     title = {Cardinal {Invariants} for {Commutative} {Group} {Algebras}},
     journal = {Mathematica Moravica},
     pages = {1 - 7},
     publisher = {mathdoc},
     volume = {10},
     number = {1},
     year = {2006},
     url = {https://geodesic-test.mathdoc.fr/item/MM3_2006_10_1_a0/}
}